Valve for flushing-tanks



H. N; LiBBEY.

VALVE FOR FLUSHING TANKS. APPLICATION FILED JAN. 6, 1921.

Patented Nov. 8, 1921.-

|| lllllli Ill ITIII UNITED STATES HENRY N. LIBBEY, OF BOSTON,MASSACHUSETTS.

VALVE FOR FLUSHING-TANKS.

Application filed January 6, 1921.

To all whom it may concern Be it known that I, HENRY N. LIBBEY, acitizen of the United States of America, and a resident of Boston, inthe county of Suffolk and State of Massachusetts, have invented certainnew and useful Improvements in Valves for F lushing-Tanks, of which thefollowing is a specification.

This invention relates to flushing valves for tanks designed to be usedin connection with water closets and has for its object the provision ofa device of this character which will be simple in construction,inexpensive and effective in operation.

One of the main objects of the invention is the provision of meanswhereby the closing member is provided with vertical guides on whichsaid closing member is adapted to move freely toward and from the valveseat and whereby said closing member will be held to its seat by meansof the water contained in the flushing tank.

Another object is the provision of a float member secured to said panwhereby the valve will be retarded in its closing movement the speedbeing easily regulated by the size of the float secured to said pan.

The invention consists in certain novel features of construction andarrangement of parts which will be understood readily by reference tothe description of the drawings and to the claims to be hereinaftergiven.

For the purpose ofillustrating the invention, one preferred form thereofis illustrated in the drawings, this form having been found to givesatisfactory and reliable results'although it is to be understood thatthe various instrumentalities of which the invention consists can bevariously arranged and organized and the invention is not limited to theprecise arrangement and organization of these instrumentalities asherein shown and described except as required by the scope of theappended claims.

Of the drawings:

Figure 1 represents a plan of a valve embodying the principles ofthe'present invention.

Fig. 2 represents a vertical section on line 2, 2, on Fig. 1.

Fig. 3 represents a horizontal section on line 3, 3, on Fig. 2 lookingdown.

Fig. 4 represents a horizontal section on line 3, 8, on Fig. 2 lookingup, and

5 represents an elevation of the pan carrying the inlet closing packingmember.

Specification of Letters Patent.

is a packing member 23 Patented Nov. 8, 1921. Serial No. 435,429.

Similar characters throughout the several ings.

In the drawings, 10 is a hollow body portion having an inlet 11surrounded by a seat 12 and provided with an outlet 13.

The lower end of this body portion 10 is provided with the usual thread1 1, nut 15 and washer 16 for securing the body portion to the usualflushing tank.

The body portion 10 is provided with oppositely disposed lateralbranches 17 to wh ch is secured the upwardly extending guide members 18.These guide members 18 are parallel and preferably tubular to formoverflow pipes for the hollow body portion 10.

The guide members 18 extend through openings 19 in a plate 20 having anupwardly extending side wall21 forming a pan. I

The openings 19 are larger than the diameter of the guide members 18 sothat the water in the tank may freely pass through said openings.

Each opening 19 is preferably provided with an upturned flange 22 asindicated in Fig. 2 of the drawings.

This flange 22 is so constructed as to prevent the cramping of the pan21 on the guide members 18 as it is moved vertically lengthwise of saidguide members.

Secured to the under face of the plate 20 which normally rests upon theseat 12 and closes the inlet 11.

Superimposed upon the upper face of the plate 20 is another packingmember 2 1 on which is disposed a cup-shaped member 25.

Beneath the packing member 23 is a washer 26 and above the cup-shapedmember 25 is another washer 27 preferably threaded to the centrallocking bolt 28 extending through the packing members 20, 24, plate 20and the cup-shaped member 25.

The upper end of the threaded bolt 28 is provided with a lock nut 29.

This cup-shaped member may be varied in size to accommodate itself tovarious forms of flushing tanks.

Secured to the pan 21 is a bail 30 the upper end of which is connectedto the lower end of the link 31, the upper end of which is attached tothe usual actuating lever.

When it is desired to flush the water closet. the pan 21 islifted'moving vertically along the guides 18, the water above the panindicate like parts figures of the drawpassing through the openings 19in the bottom plate 20.

When the pan is released the weight of the water in the pan 21 and thesuction caused by the flow of water through the outlet 13 will cause thepan to lower until the packing member 23 on the underside thereofcontacts with the seat 12.

The weight of the water in the tank holds the packing member firmly tothe seat and closes the inlet 11.

It is obvious that owing to the openings 19 being greater in diameterthan the guide members 18 the pan in lowering is adapted to accommodateitself to the plane of the seat 12.

The cup-shaped member 25 is filled with air and is packed in such amanner as to prevent the water leakinginto the same.

As aconsequence a float is provided for the pan 21 which prevents thepan 21 lowering too rapidly.

By varyin the size of the float chamber 25 the retarding of the downwardmovement of the pan may be Varied as desired thereby providing a meanswhereby any desired quantity of water may pass through the outlet 13from the flushing tank into the hopper of the water closet.

This makes a well balanced valve mechanism for flushing tanks which maybe constructed economically and which is very effective in itsoperation.

The packing members 23, 24: are preferably made of leather and will lastindefinitely.

The float chamber 25 is formed of metal and will not deteriorate as istrue of many forms of floats in general use and made of rubber.

i It is believed that the operation and many advantages of the inventionwill be understood without further description.

Having thus described my invention, I claim- 1. In a flushing valve forwaterclosets, a hollow body portion having an inlet and outlet; twoparallel overflow pipes extending upwardly from said body portion; aplate provided with openings through which said parallel overflow pipesextend; and a packing member secured to the under side of said plate andadapted to close said inlet.

2. In a flushing valve for water closets, a hollow body portion havingan inlet and outlet; two parallel members extending upwardly from saidbody portion; a cupshaped pan provided with openings through which saidparallel members extend; and a packing member secured to the under sideof said cup-shaped pan and adapted to close said inlet.

3. In a flushing valve for water closets, a hollow body portlon havingan inlet and outlet; two parallel overflow pipes extending upwardly fromsaid body portion; a cupshaped pan provided with openings through whichsaid parallel overflow pipes extend; and a packing member secured to theunder side of said cup-shaped pan and adapted to close said inlet.

4. In a flushing valve for water closets, a hollow body portion havingan inlet and outlet; two parallel members extending upwardly from saidbody portion; a pan provided with openings through which said membersextend; a packing member secured to the under face of said pan andadapted to close said inlet; and a float secured to the P 5. In aflushing valve for water closets, a hollow body portion having an inletand outlet; a pan having openings inthe bottom thereof; a packing membersecured to said pan and adapted to close said inlet; a float secured tosaid pan; and means for lifting said pan from its seat.

6. In a flushing valve for water closets, a hollowbody portionhavin'ganinlet and outlet; a pan having openings in the bottom thereof; apacking member secured to said pan and adapted to close said inlet; avertical guide for said pan; a float secured to said pan; and means forlifting said pan from its seat.

7. In a flushing valve for water closets, a hollow body portion havingan inlet and outlet; a pan having openings in the bottom thereof; apacking member secured to the pan and adapted to close said inlet; meansfor lifting said pan from its seat; a vertical guide for said member; apacking member within said pan; an inverted cup-shaped air chamberresting thereon; and means for clamping said packing members andcupsha-ped air chambers to said an.

Signed by me at 746-7 ld South Bldg, Boston, Mass, this 3rd day ofJanuary,

HENRY N. LIBBEY. \Vitnesses:

WALTER E. LOMBARD, NATHAN. C. LOMBARD.

